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Ajax Design Patterns

From ehsane, 3 months ago Add as contact

quick ajax presentation

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Slideshow Transcript

  1. Slide 1:Ajax Design Patterns
  2. Slide 2: Ajax? ➲ Ajax is just buzzword! ➲ Ajax = Dynamic HTML + XMLHTTPRequest ➲ DHTML =  Hypertext Markup Language (HTML)  JavaScript code  Cascading Style Sheets (CSS) ➲ Get data dynamically from server using XMLHTTPRequest and display them in page dynamically using DHTML!
  3. Slide 3:Ajax Architecture
  4. Slide 4: 5 Common ajax patterns ➲ Patterns are designed for common tasks to make life easy ➲ Five common ajax patterns:  Loading HTML part of page  Loading XML formatted data  Loading JavaScript  Avoiding browser cache  Update multiple items HTML
  5. Slide 5: Pattern 1. Loading HTML part of page var req = null; function processReqChange() { if (req.readyState == 4 && req.status == 200 ) { var